Added some debugging support via Linker::dumpSymbols().

src/linker.cpp

@@ -443,6 +443,19 @@ void ElfLinker::defineSymbol(const char *name, unsigned value)
     }
 }
 
+// debugging support
+void ElfLinker::dumpSymbols(FILE *fp) const
+{
+    if (fp == NULL)
+        fp = stdout;
+    for (unsigned ic = 0; ic < nsymbols; ic++)
+    {
+        Symbol *symbol = symbols[ic];
+        fprintf(fp, "%-20s 0x%08lx | %-20s 0x%08lx\n",
+            symbol->name, symbol->offset, symbol->section->name, symbol->section->offset);
+    }
+}
+
 unsigned ElfLinker::getSymbolOffset(const char *name) const
 {
     assert(frozen);

src/linker.h

@@ -86,6 +86,7 @@ public:
     virtual void relocate();
     virtual void defineSymbol(const char *name, unsigned value);
     virtual unsigned getSymbolOffset(const char *) const;
+    virtual void dumpSymbols(FILE *fp=NULL) const;
 
     void alignWithByte(unsigned len, upx_byte b);
     virtual void alignCode(unsigned len) { alignWithByte(len, 0); }

src/p_lx_elf.cpp

@@ -603,6 +603,7 @@ PackLinuxElf64amd::defineSymbols(Filter const *)
 #undef PAGE_SIZE
 #undef PAGE_MASK
 
+    linker->dumpSymbols();
 }
 
 static const